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22 June 2022: Articles

High-Frequency Oscillatory Ventilation for Refractory Hypoxemia in Severe COVID-19 Pneumonia: A Small Case Series

Unusual clinical course, Management of emergency care

Philip Keith A* , L. Keith Scott E , Linda Perkins E , Rebecca Burnside E , Matthew Day E

DOI: 10.12659/AJCR.936651

Am J Case Rep 2022; 23:e936651

Figure 1. (A) Chest X-ray on day 3 of conventional mechanical ventilation, demonstrating the development of relatively mild subcutaneous emphysema (red arrows) and mild pneumomediastinum (blue arrows). Note these findings are present despite the absence of pneumothorax. (B) Chest X-ray on conventional ventilation, just prior to transition to HFOV, demonstrating marked worsening of subcutaneous emphysema (red arrows) and pneumomediastinum. Fenestrated subcutaneous catheters (yellow arrows) placed bilaterally for evacuation of subcutaneous emphysema. Note there is still no pneumothorax. (C) Chest X-ray on day 6 of HFOV, just prior to transition back to conventional ventilation, demonstrating markedly improved subcutaneous emphysema (red arrows) and pneumomediastinum (blue arrows). Two fenestrated subcutaneous catheters remain in place.

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American Journal of Case Reports eISSN: 1941-5923
American Journal of Case Reports eISSN: 1941-5923